In a “normal” electrocardiogram (ECG), the transition of the QRS axis in the precordial leads occurs between leads V 3 and V 4 (i.e., there is a dominant S in V 3 and a dominant R in V 4).
A recent study suggests that people have an innate tendency to walk counterclockwise, rather than the other way around.
Researchers in Spain and Japan tested a broad range of pedestrians in varying group sizes to see whether there were any patterns to their turning behaviors, and what factors influence them if there ...
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